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    <title>Document</title>
    <script>
        // 数组转换为字符串
        // 1.toString( )将数组转换为字符串
        var arr = [1,2,3];
        console.log(arr.toString());//1,2,3
        //2.join(分隔符)
        var arr1 = ['red','blur','pink'];
        console.log(arr1.join());//red,blur,pink
        console.log(arr1.join('-'));//red-blur-pink
        console.log(arr1.join('&'));//red&blur&pink
    </script>
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